Respiratory System Terminology and Functions Quiz

Alveoli are small air sacs in the lungs where oxygen and carbon dioxide exchange takes place.

The epiglottis is a flap-like structure that prevents food from entering the windpipe (trachea) during swallowing.

Inhalation is the process of breathing in, where air is drawn into the lungs.

The respiratory system is not responsible for the production of red blood cells; this is a function of the bone marrow.

Bronchioles are part of the lower respiratory tract; the upper respiratory tract includes the nose, nasal cavity, pharynx, and larynx.

The larynx, commonly known as the voice box, is responsible for sound production and vocalization.

Asthma is a respiratory disorder marked by inflammation and constriction of the airways, leading to breathing difficulties.

The trachea, also known as the windpipe, is a tube that connects the larynx to the bronchi and allows air to pass to and from the lungs.

The medulla oblongata, located in the brainstem, plays a crucial role in controlling involuntary functions such as breathing.

Red blood cells primarily transport oxygen through the bloodstream, binding to hemoglobin for distribution to body tissues.

The diaphragm is the main muscle responsible for the process of breathing, contracting during inhalation and relaxing during exhalation.

Expiration is the process of exhaling or breathing out, releasing air from the lungs.

Pneumothorax is a condition where air enters the pleural cavity, causing the lung to collapse.

Residual volume is the amount of air that remains in the lungs after maximum exhalation, ensuring continuous gas exchange.

Surfactant in the lungs prevents alveolar collapse by reducing surface tension, ensuring the stability of the alveoli.